CN111351201A - Air conditioner and air deflector thereof - Google Patents
Air conditioner and air deflector thereof Download PDFInfo
- Publication number
- CN111351201A CN111351201A CN202010182632.XA CN202010182632A CN111351201A CN 111351201 A CN111351201 A CN 111351201A CN 202010182632 A CN202010182632 A CN 202010182632A CN 111351201 A CN111351201 A CN 111351201A
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- Prior art keywords
- air
- air deflector
- deflector
- cells
- porous structure
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Links
- 239000011148 porous material Substances 0.000 claims abstract description 21
- 239000006260 foam Substances 0.000 claims abstract 6
- 239000011347 resin Substances 0.000 claims description 16
- 229920005989 resin Polymers 0.000 claims description 16
- 238000005187 foaming Methods 0.000 claims description 9
- 239000004088 foaming agent Substances 0.000 claims description 7
- 239000011159 matrix material Substances 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 4
- 229920007019 PC/ABS Polymers 0.000 claims description 3
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 2
- 239000001569 carbon dioxide Substances 0.000 claims description 2
- 229930195733 hydrocarbon Natural products 0.000 claims description 2
- 150000002430 hydrocarbons Chemical class 0.000 claims description 2
- 210000004027 cell Anatomy 0.000 claims 8
- 210000003850 cellular structure Anatomy 0.000 claims 2
- 230000005494 condensation Effects 0.000 abstract description 11
- 238000009833 condensation Methods 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 6
- 238000001746 injection moulding Methods 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 abstract description 5
- 230000007774 longterm Effects 0.000 abstract description 2
- 239000003507 refrigerant Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000012745 toughening agent Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F2013/221—Means for preventing condensation or evacuating condensate to avoid the formation of condensate, e.g. dew
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Flow Control Members (AREA)
Abstract
The invention discloses an air deflector and an air conditioner with the same, wherein the air deflector comprises: the air deflector is characterized in that a porous structure is formed inside the air deflector, the porous structure is provided with a plurality of foam holes, the foam holes are spaced from the outer wall of the air deflector, the outer wall of the air deflector is of a closed structure, and the pore diameter of each foam hole is smaller than 1000 microns. The air deflector has a porous structure, so that the air deflector has a good heat insulation effect, and condensation can be avoided. In addition, in the injection molding process of the air deflector, the porous structure can absorb residual stress, and the deformation of the air deflector caused by high-temperature or long-term use can be avoided. Meanwhile, the porous structure arranged in the way can play a role in reducing weight, and the cost of materials is reduced.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner and an air deflector thereof.
Background
In the air conditioner field, the comfort requirement that the user used the air conditioner is higher and higher, and wherein, wall-hanging air conditioner's air outlet is great, and the aviation baffle setting is in the position of air outlet, and the condensation of aviation baffle and the important problem that warp the problem is the urgent important problem that awaits solving in the trade.
In the related art, the size of the air deflector in a single dimension is large, so that the slight deformation can also cause the obvious bending of the whole air deflector. In addition, because the air deflector is used for opening or closing the air outlet, the air outlet of the air conditioner can cause the temperature of the air deflector to be higher in the heating process, and the residual stress in the air deflector also causes the irreversible deformation of the air deflector in the injection molding process. In the refrigeration process of the air conditioner, the air outlet blows out cold air to one side surface of the air guide plate facing the air outlet, the overtime air with higher temperature in a room reaches a dew point on the other side surface of the air guide plate, condensation occurs, water drops can drip or blow out along with wind, and the user experience is seriously influenced.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, an object of the present invention is to provide an air deflector of an air conditioner, which has a good heat insulation effect and a stable and reliable structure.
The invention also provides an air conditioner with the air deflector.
According to the air deflector disclosed by the embodiment of the first aspect of the invention, a porous structure is formed inside the air deflector, the porous structure is provided with a plurality of cells, the plurality of cells are spaced from the outer wall of the air deflector, the outer wall of the air deflector is a closed structure, and the pore diameter of the cells is smaller than 1000 microns.
According to the air deflector provided by the embodiment of the invention, the porous structure is arranged, so that the air deflector has a good heat insulation effect, condensation can be avoided, and the weight of the air deflector is low. And the air deflector has a stable and reliable structure.
According to some embodiments of the invention, the cells are closed cells, each cell being independent of the other.
According to some embodiments of the invention, a negative pressure is formed within the blister.
According to some embodiments of the invention, the cells are micropores having a pore size of 100nm to 800 μm.
According to some embodiments of the invention, the plurality of cells are distributed in one or more layers in a thickness direction of the air guide plate.
According to some embodiments of the invention, the distribution area of the porous structure has a thickness of 1.3mm to 2.6mm, and the air guide plate has a thickness of 1.5mm to 5.0 mm.
According to some embodiments of the invention, the distribution area of the porous structure has a thickness 13/25-13/15 of the thickness of the air deflection plate.
According to some embodiments of the invention, the porous structure is spaced from the surface of the air deflection plate by 0.2mm to 2.4 mm.
According to some embodiments of the invention, the porous structure has a pore density of 50000 to 50000000 pores per square meter.
According to some embodiments of the invention, the cells are any of circular, near circular, oval, near oval, oblong.
According to some embodiments of the invention, the air deflector is manufactured by one-time injection foaming molding.
According to some embodiments of the invention, the air deflector is injection molded using a resin matrix and a foaming agent, the resin matrix being selected from any one of the following: ABS resin, PC/ABS resin, PP resin and AS resin, wherein the foaming agent is selected from any one of the following: hydrocarbons, supercritical carbon dioxide.
An air conditioner according to an embodiment of the second aspect of the present invention includes the air deflection plate according to the above embodiment of the first aspect of the present invention.
According to the air conditioner provided by the embodiment of the invention, the phenomenon that the air conditioner generates condensation to influence the experience of a user can be avoided. And, the air conditioner stable in structure is reliable.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of a portion of an air deflection plate according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the tissue under a microscope of a wind deflector according to an embodiment of the present invention.
Reference numerals:
an air deflector 100;
a porous structure 10; cells 11; an outer wall 20.
Detailed Description
Embodiments of the present invention will be described in detail below, the embodiments described with reference to the drawings being illustrative, and the embodiments of the present invention will be described in detail below.
The air conditioner performs a refrigeration cycle of the air conditioner by using a compressor, a condenser, an expansion valve, and an evaporator. The refrigeration cycle includes a series of processes involving compression, condensation, expansion, and evaporation, and supplies refrigerant to the air that has been conditioned and heat-exchanged.
The compressor compresses a refrigerant gas in a high-temperature and high-pressure state and discharges the compressed refrigerant gas. The discharged refrigerant gas flows into the condenser. The condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process.
The expansion valve expands the liquid-phase refrigerant in a high-temperature and high-pressure state condensed in the condenser into a low-pressure liquid-phase refrigerant. The evaporator evaporates the refrigerant expanded in the expansion valve and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The evaporator can achieve a cooling effect by heat-exchanging with a material to be cooled using latent heat of evaporation of a refrigerant. The air conditioner can adjust the temperature of the indoor space throughout the cycle.
The outdoor unit of the air conditioner refers to a portion of a refrigeration cycle including a compressor and an outdoor heat exchanger, the indoor unit of the air conditioner includes an indoor heat exchanger, and an expansion valve may be provided in the indoor unit or the outdoor unit.
The indoor heat exchanger and the outdoor heat exchanger serve as a condenser or an evaporator. When the indoor heat exchanger is used as a condenser, the air conditioner is used as a heater in a heating mode, and when the indoor heat exchanger is used as an evaporator, the air conditioner is used as a cooler in a cooling mode.
An air deflector 100 of an air conditioner according to an embodiment of a first aspect of the present invention will be described with reference to fig. 1.
Specifically, a porous structure 10 is formed inside the air deflector 100, the porous structure 10 has a plurality of cells 11, the plurality of cells 11 are spaced apart from the outer wall 20 of the air deflector 100, the outer wall 20 of the air deflector 100 is a closed structure, and the pore diameter of the cells 11 is smaller than 1000 micrometers. In the description of the present invention, "a plurality" means two or more.
The outer wall 20 may function to support the air deflection plates 100. The material of the cells 11 is a heterogeneous material, and the heat transfer mode is mainly heat conduction and radiation, so that the heat transfer capability of the material is influenced by the equivalent heat conductivity coefficient (comprehensive performance of heat conduction and radiation). The equivalent thermal conductivity of the material with the porous structure 10 is generally determined by the pore size, the medium, the pore structure, the porosity (the percentage of the pore volume in the bulk material to the total volume of the material in the natural state), and the like.
The pore size of the cells 11 of the present invention is in the submicron to millimeter range. When the pore diameter of the cell 11 is smaller than 1000 micrometers, the thermal conductivity of the air deflector 100 can be effectively reduced.
According to the air deflector 100 of the air conditioner, the porous structure 10 is adopted, so that the heat conductivity coefficient can be reduced, the air deflector 100 has a good heat insulation effect, condensation can be avoided, and the comfort and experience of a user during use are improved. In the injection molding process of the air deflector, the porous structure 10 can absorb residual stress, so that the deformation of the air deflector 100 caused by high temperature or long-term use can be avoided, and the reliability and the service life of the structure of the air deflector 100 are ensured. Meanwhile, the porous structure 10 arranged in this way can play a role in reducing weight, effectively reducing the weight of the air deflector 100 and reducing the material cost.
In some embodiments of the present invention, as shown in fig. 1, the porous structure 10 has a plurality of gaps formed on the outer peripheral wall of the cells 11, and the gaps can be filled with a filler, so that the structural stability of the air deflection plate 100 can be ensured. Optionally, the filler is made of the same material and processed as the outer wall 20.
Specifically, the cells 11 are closed cells, and the individual cells 11 are independent of each other.
In the example of fig. 1, a plurality of cells 11 are arranged at intervals. Of course, in other embodiments of the present invention, the peripheral walls of a plurality of cells 11 may contact each other, or the peripheral walls of some cells 11 may contact each other, with the peripheral walls of other cells 11 being spaced apart.
In some alternative embodiments of the present invention, the cells 11 may be a single layer or multiple layers.
Alternatively, in conjunction with fig. 2, the cells 11 may be a single layer of a large pore structure or a multi-layer of a dense small pore structure.
Further, negative pressure is formed in the cells 11. During the injection molding process, the cells 11 are formed at a high temperature foaming stage, and the gas is discharged during the injection molding process, so that the internal and external pressures of the cells 11 can be balanced. After cooling and forming, the gas in the bubble 11 is cooled to form negative pressure gas, and the density of the air in the bubble 11 is greater than the atmospheric density, so that the bubble has a certain vacuum degree, the heat conductivity coefficient is reduced, and condensation on the outer surface of the air deflector 100 can be avoided.
For example, the cells 11 are micropores having a pore size of 100nm to 800 μm. The small aperture size is not beneficial to controlling the processing and manufacturing cost, and the large aperture size is not beneficial to maintaining good mechanical property and low heat conductivity coefficient of the material. When the pore diameter of the cell 11 is 100nm-800 μm, the thermal conductivity can be effectively reduced, and the manufacturing cost is low.
According to some alternative embodiments of the present invention, in conjunction with fig. 1, the plurality of cells 11 are distributed in one or more layers in the thickness direction of the air deflection panel 100. The air guide plate 100 can rotate to open or close the air outlet. When the air conditioner works, the air outlet is in an open state, the air conditioner exhausts air from the air outlet, and the air outlet direction is changed through the outer wall 20 in one thickness direction.
According to some embodiments of the present invention, the distribution area of the porous structure 10 has a thickness of 1.3mm to 2.6mm, and the air deflector 100 has a thickness of 1.5mm to 5.0 mm.
According to some alternative embodiments of the present invention, the distribution area of the porous structure 10 has a thickness 13/25-13/15 of the thickness of the air deflection plate 100.
According to some alternative embodiments of the present invention, the distance between the porous structure 10 and the surface of the air deflector 100 is 0.2mm to 2.4 mm.
According to some alternative embodiments of the present invention, the porous structure 10 has a pore density of 50000-50000000 pores per square meter, in other words, the porous structure 10 has a pore density of 5 × 10 pores per square meter4A piece of-5 × 107And (4) respectively. The air deflector 100 and the porous structure 10 which meet the above range have low thermal conductivity and good heat insulation effect.
For example, the cells 11 may be any one of circular, near circular, oval, near oval, and oblong.
According to some embodiments of the present invention, the air deflector 100 is formed by one-time injection foaming, so that the manufacturing cost of the air deflector 100 can be reduced.
Therefore, the air deflector 100 has a heterogeneous structure, the outer wall 20 has a homogeneous shell structure, and the porous structure 10 has a heterogeneous structure.
The foaming mode can comprise open-die foaming and closed-die foaming.
According to some embodiments of the present invention, the air deflector 100 is injection molded using a resin matrix and a foaming agent, wherein the resin matrix is selected from any one of the following: ABS resin, PC/ABS resin, PP resin and AS resin, wherein the foaming agent is selected from any one of the following: the foaming agent is well compatible with the resin matrix, so that the heat conductivity coefficient of gas generated by foaming is low, and the influence on the experience of a user due to condensation generated by the air deflector 100 can be avoided.
In some examples, other additives such as cross-linking agents, toughening agents, heat resistance agents, etc. may also be added during the foaming process, which may further improve the structural strength and heat resistance of the air deflection panel 100.
An air conditioner according to a second aspect of the present invention includes the air deflection plate 100 according to the above-described embodiment of the first aspect of the present invention.
According to the air conditioner, such as a wall-mounted air conditioner, provided by the embodiment of the invention, by adopting the air deflector 100, the phenomenon that the experience of a user is influenced by condensation generated by the air conditioner can be avoided. And, the air conditioner stable in structure is reliable.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features. In the description of the present invention, "a plurality" means two or more. In the description of the present invention, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween. In the description of the invention, "above", "over" and "above" a first feature in a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (13)
1. The air deflector of the air conditioner is characterized in that a porous structure is formed inside the air deflector, the porous structure is provided with a plurality of foam holes, the foam holes are spaced from the outer wall of the air deflector, the outer wall of the air deflector is of a closed structure, and the pore diameter of the foam holes is smaller than 1000 microns.
2. The air deflection of claim 1, wherein the cells are closed cells, each cell being independent of the other.
3. The air deflection of claim 1, wherein a negative pressure is formed within the bubble.
4. The air deflection of claim 1, wherein the cells are micropores having a pore size of 100nm to 800 μm.
5. The air deflection system of claim 1, wherein the plurality of cells are distributed in one or more layers in a thickness direction of the air deflection system.
6. The wind deflector of any one of claims 1-5, wherein the distribution area of the porous structure has a thickness of 1.3mm to 2.6mm, and the wind deflector has a thickness of 1.5mm to 5.0 mm.
7. The air deflection as claimed in any one of claims 1 to 5, wherein the distribution area of the cellular structure has a thickness of 13/25 to 13/15 of the thickness of the air deflection.
8. The air deflection of any one of claims 1-5, wherein the porous structure is spaced from the surface of the air deflection by 0.2mm to 2.4 mm.
9. The air deflection of any one of claims 1-5, wherein the cellular structure has a cell density of 50000 to 50000000 cells per square meter.
10. The air deflection as recited in any one of claims 1-5, wherein the cells are any one of circular, near circular, oval, near oval, oblong.
11. The air deflector of any one of claims 1-5, wherein the air deflector is formed by one-time injection foaming.
12. The air deflection of claim 11, wherein the air deflection panel is injection molded from a resin matrix and a foaming agent, the resin matrix being selected from any one of: ABS resin, PC/ABS resin, PP resin and AS resin, wherein the foaming agent is selected from any one of the following: hydrocarbons, supercritical carbon dioxide.
13. An air conditioner comprising the air deflection panel of any one of claims 1-12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010182632.XA CN111351201B (en) | 2020-03-16 | 2020-03-16 | Air conditioner and air deflector thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010182632.XA CN111351201B (en) | 2020-03-16 | 2020-03-16 | Air conditioner and air deflector thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111351201A true CN111351201A (en) | 2020-06-30 |
| CN111351201B CN111351201B (en) | 2022-03-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010182632.XA Active CN111351201B (en) | 2020-03-16 | 2020-03-16 | Air conditioner and air deflector thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111351201B (en) |
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| JPH06266364A (en) * | 1993-03-16 | 1994-09-22 | Minoru Kasei Kk | Foamed blow molding and it manufacture |
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| CN208419134U (en) * | 2018-05-11 | 2019-01-22 | 青岛海尔空调器有限总公司 | Wind deflector and air-conditioning indoor hanging unit |
| CN208687958U (en) * | 2018-07-28 | 2019-04-02 | 安徽金鸿盛电气有限公司 | A kind of air-conditioner air outlet anti-dewfall structure |
| CN110439133A (en) * | 2019-07-17 | 2019-11-12 | 陈素珍 | Vacuum bubbles insulation board and its production new method |
| CN210107697U (en) * | 2019-04-25 | 2020-02-21 | 珠海格力电器股份有限公司 | Prevent condensation structure, panel components and contain its refrigeration plant |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06266364A (en) * | 1993-03-16 | 1994-09-22 | Minoru Kasei Kk | Foamed blow molding and it manufacture |
| CN103292053A (en) * | 2012-02-28 | 2013-09-11 | 京洛株式会社 | Foam duct |
| CN105501598A (en) * | 2012-04-23 | 2016-04-20 | 东洋制罐集团控股株式会社 | A foamed and stretched plastic bottle |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN111351201B (en) | 2022-03-08 |
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Address after: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Applicant after: HISENSE (SHANDONG) AIR-CONDITIONING Co.,Ltd. Address before: 266736 No. 1 Haixin Road, Nancun Town, Pingdu City, Qingdao, Shandong Province Applicant before: HISENSE (SHANDONG) AIR-CONDITIONING Co.,Ltd. |
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Address after: No.1 Haixin Road, Nancun Town, Pingdu City, Qingdao City, Shandong Province Patentee after: Hisense Air Conditioning Co.,Ltd. Country or region after: China Address before: No. 151, Zhuzhou Road, Laoshan District, Qingdao, Shandong Patentee before: HISENSE (SHANDONG) AIR-CONDITIONING Co.,Ltd. Country or region before: China |